It is understood the 47-year-old fell from the third floor window adjacent to the main Gordon Street entrance, which was closed for several hours while investigations were carried out.

Two police officers were in contact with the man before he fell and the force said the incident has been referred to the Police Investigations and Review Commissioner (Pirc), in line with standard procedure.

Eyewitnesses told Glasgow Live about the horrific scenes, reporting hearing a loud thud after the man fell from the window head first.

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The man was taken to Glasgow's Queen Elizabeth University Hospital to be treated for his injuries, where he subsequently died shortly after.

The scene near Glasgow Central Station (Image: Glasgow Live)

A spokeswoman for the Police Investigations & Review Commissioner confirmed they are now investigating the incident.

She said: "The Crown Office and Procurator Fiscal Service (COPFS) has instructed the Police Investigations & Review Commissioner to carry out an investigation into police contact with a man who died following an incident in Gordon Street, Glasgow, on Friday 11 November 2016.

"A report on the Commissioner's findings will be submitted to the COPFS in due course"

Police Scotland said in a statement: "A 47-year-old man has died after falling from a third floor window of a city centre hotel today.

"Two officers had attended the hotel as part of an ongoing inquiry around 11.30 hours.

"The man was taken to Queen Elizabeth University Hospital where he succumbed to his injuries at 12.10 hours."

The forced added: "As is normal procedure, the incident has been referred to Police Investigations and Review Commissioner.